FIELD: equipment to apply liquids on inner surfaces of cylindrical articles, for instance pipes used in any industry.
SUBSTANCE: device comprises core having inner shaft. One shaft end is connected to pipe passing through supply nipple along axis thereof. Another shaft end is attached to spraying head including cylindrical body and lid, which define inner cavity. Through orifices inclined to device axis are created in cylindrical body part. Orifices of the head extend at angle less than 90° measured from device axis in direction opposite to that of device movement during covering application.
EFFECT: possibility to covering layer drying just after covering application on inner pipeline surface, which results in increased device capacity and decreased time of covering layer readiness.
2 cl, 1 dwg
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|---|---|---|---|
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|
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RU2633923C1 |
